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geniusboy [140]
3 years ago
10

15 liters increased by 60%

Mathematics
1 answer:
tangare [24]3 years ago
4 0
Set it up X/15=60/100 cross multiply to set up an equation 100X=900 and X=9. then you add 9 to 15 to get 24.
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dusya [7]

Answer:

f(x) = 7\, ((1/2)^{x}).

Step-by-step explanation:

An exponential function is typically in the form f(x) = a\, (b^{x}), where a and b (b > 0) are constants to be found.

In this question:

f(2) = 1.75 means that a\, (b^{2}) = 1.75.

f(-2) = 28 means that a\, (b^{-2}) = 28.

Divide one of the two equations by the other to eliminate a and solve for b.

The number of the right-hand side of the second equation is larger than that of the first equation. Hence, divide the second equation with the first:

\displaystyle \frac{a\, (b^{-2})}{a\, (b^{2})} = \frac{28}{1.75}.

\displaystyle b^{-4} = 16.

b^{-1} = 2.

\displaystyle b = \frac{1}{2}.

Substitute b = (1/2) back into either equation (for example, the first equation) and solve for a:

a\, ((1/2)^{2}) = 1.75.

a = 7.

Substitute a = 7 and b = (1/2) into the other equation. That equation should also be satisfied.

Therefore, this function would be:

f = 7\, ((1 / 2)^{x}).

8 0
2 years ago
Write the word sentence as an equation. Then solve.
scoundrel [369]

Answer:

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Step-by-step explanation:

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3 years ago
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Anna007 [38]

Answer:

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Luba_88 [7]

Answer:

(1,3)

Step-by-step explanation:

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now we can just kinda plug and check.

if you plug in 1, you get 3, so A

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8 0
3 years ago
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